1. High precision involute gear for industrial machinery 2. Precision can reach DIN 4/ AGMA 13 3. Gear ... treatmentQuenching and tempering, gear teeth induction quenching, nitriding, carburization ApplicationWind turbine, locomotive, feeding machinery, metallurgy machinery, mining machinery Out diameter300mm ... Gear shaft length2500mm max. Gear width600mm max. Weight15 tons max. wind turbine ring gear